Malicious PDF — malware analysis report

Static analysis result for SHA-256 15d6ddb8a030b6b7…

MALICIOUS

PDF

98.6 KB Created: 2020-08-15 06:22:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a775cbe03089f832bc0392908c0a79c0 SHA-1: 10569eb4d2965619da711716fa2d0fb639a9971f SHA-256: 15d6ddb8a030b6b780ed5523216f8f04fb748838553752b8c1683562b0e1a1a7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple heuristics indicating it links to malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary purpose is to redirect the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=vaijanti+mala+photo In PDF document text
    • http://files.oakmountainfirewood.com/uploads/1/3/1/3/131383651/xarabumab_jipike_kuduxokapeba.pdfIn PDF document text
    • http://files.gcaseven.com/uploads/1/3/1/3/131381658/7506988.pdfIn PDF document text
    • http://files.melissacoaching.com/uploads/1/3/0/7/130775537/mimoge-ruwupedipiviv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3293/6605/files/10258671201.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1479/9012/files/ballistic_trauma_a_practical_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5777/3718/files/paras_civil_code_obligations_and_contracts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7110/1338/files/74210425248.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8946/1410/files/welojufosinokiwemeta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2584/1819/files/78515194305.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9438/5575/files/95655904093.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2342/5955/files/gakugowumebavu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8271/9136/files/guvilanilolimik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7525/5961/files/wikeli.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013361.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13361 4828 bytes
SHA-256: 9d0d7cc69ce1a977f63c5d902b34a381d84b0ada5060ebb7fc4e6d25cbfa9a40
font_01_sfnt_off000143a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x143A3 10652 bytes
SHA-256: 0710f4a16e0fe38a89326f95b180f76cd0940d2437d6805a9d2b25f4039937d2
font_02_sfnt_off00016852.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16852 16164 bytes
SHA-256: ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1

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